CN207333427U - A kind of screw locking structure - Google Patents
A kind of screw locking structure Download PDFInfo
- Publication number
- CN207333427U CN207333427U CN201720326600.6U CN201720326600U CN207333427U CN 207333427 U CN207333427 U CN 207333427U CN 201720326600 U CN201720326600 U CN 201720326600U CN 207333427 U CN207333427 U CN 207333427U
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- CN
- China
- Prior art keywords
- clamp spring
- locking clamp
- stop nut
- check bolt
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of screw locking structure, it is characterised in that the screw locking structure includes：Check bolt, stop nut, locking clamp spring, the stop nut screws in check bolt, and the locking clamp spring is arranged above stop nut, in locking clamp spring lock tongue insertion check bolt groove, locking clamp spring notch is embedded in stop nut card key, while locking clamp spring key insertion stop nut groove.The utility model check bolt method can control bolt pretightening in constant, effective range, and the connecting component for making to run under vibrational state is effectively connected and worked normally safely, and it is more convenient that the dimension such as it is installed, dismounting supports operation.
Description
Technical field
The utility model is suitable for due to vibrating the screw locking structure for making bolt looseness and causing bolt to tighten failure.
Background technology
Check bolt is mainly used for controlling the loosening failure for the connecting component run under the conditions of vibrational state, is particularly shaking
Mechanical equipment such as mining machinery under dynamic working status etc. is, it is necessary to take measures to prevent superstructure loosening and influence mechanical connecting element
The method of normal operation.Existing check bolt is using special engineering plastic spraying of the plasma spray technology by bulk composition as nylon
On ridge, when screw thread is in rundown process, this layer of engineering plastics are extruded and produce powerful reaction force and frictional force,
So as to prevent screw from retreating, reach locking effect.But in practical applications this kind of check bolt under vibrational state still
Easily produce loosening, it is impossible to meet actual demand, it is necessary to a kind of union piece locking member for controlling and loosening function be designed, with true
The continuous normal work of the machinery run is protected under vibrational state.
Utility model content
The purpose of this utility model is to provide a kind of screw locking structure, for controlling anti-loose ability more effective, peace
Assembly and disassembly are also more convenient.
To achieve these goals, technical solutions of the utility model are：A kind of screw locking structure, it is characterised in that described
Screw locking structure includes：
Check bolt, the end of the check bolt is axially disposed check bolt groove, the root of check bolt groove
Portion is arc-shaped；
Stop nut, the stop nut top are equipped with card key, locking clamp spring, stop nut side are set above stop nut
Face sets stop nut card slot；
Locking clamp spring, the locking clamp spring inner side set lock tongue, and the front end of the locking clamp spring block tongue is arc-shaped, outside
Circumferentially arranged locking clamp spring notch is set, and locking clamp spring both sides set locking clamp spring key；
The stop nut screws in check bolt, and the locking clamp spring is arranged above stop nut, locking clamp spring lock tongue
In embedded check bolt groove, locking clamp spring notch is embedded in stop nut card key, while locking clamp spring key insertion stop nut card
Groove.
Further, the locking clamp spring is a ring, and the locking clamp spring key includes an angularly disposed elastic spring
Piece, the upper end of the elastic spring are connected with locking clamp spring lateral surface, and the lower end of the elastic spring stretches out, its bottom to
Upper inside winding, forms a ring-type card key.
Further, described two locking clamp spring key mappings are on a central axis of locking clamp spring, the locking clamp spring
Lateral surface sets and has been uniformly arranged in the circumferential direction 4 ~ 8 locking clamp spring notches, the locking clamp spring key be provided in its adjacent two
The centre position of a locking clamp spring notch.
Further, the stop nut includes hex nut, and a stop nut is provided with above the hex nut
Flange, is provided with a stop nut card slot, the stop nut card between the top of the hex nut and stop nut flange
Groove is along the circumferentially disposed arc-shaped recess face of stop nut lateral surface.
Further, the length of the check bolt groove is generally the 30% ~ 50% of the length of whole check bolt, described
The depth of check bolt groove is not more than the 1/5 of check bolt nominal diameter.
The advantages of the utility model, is as described below：
1. it is that mechanical type is locking that bolt, which is carried out locking, using locking clamp spring, it can effectively control and put on connecting component pressure
Clamp force, and can be by thrust constant control in effective range；
2. it can ensure that locking clamp spring can with permanent be engaged of stop nut in locking clamp spring lock tongue insertion check bolt groove
Ensure that bolt does not loosen；
3. simple operation when component installation, maintenance and maintenance, as dismounting can open locking clamp spring hole by locking clamp spring hole
Locking clamp spring is exited stop nut and then take out locking clamp spring along check bolt groove；
In conclusion the utility model check bolt method can control bolt pretightening in constant, effective range, make
The connecting component run under vibrational state is effectively connected and worked normally safely, and the dimension such as it is installed, dismounting supports operation more just
It is prompt.
Brief description of the drawings
Fig. 1 is check bolt general assembly drawing.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is locking clamp spring plan.
Fig. 4 is the A-A sectional views of Fig. 3.
Fig. 5 is the B-B sectional views of Fig. 3.
Fig. 6 is the plan of stop nut.
Fig. 7 is the sectional view of stop nut.
Fig. 8 is the plan of check bolt.
Fig. 9 is the profile of check bolt.
Each unit number represents as follows in figure：
Check bolt 1；
Check bolt groove 1-1；
Locking clamp spring 2；
Locking clamp spring notch 2-1, locking clamp spring block tongue 2-2, locking clamp spring key 2-3, locking clamp spring endoporus 2-4；
Stop nut 3；
Stop nut card key 3-1, stop nut flange 3-2, stop nut card slot 3-3；
Spring washer 4；
Plain washer 5；
Connecting component 6.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As Fig. 3 ~ 5 show the structure diagram of locking clamp spring.As shown in the figure, the locking clamp spring 2 is a ring, its
Center is locking clamp spring endoporus 2-4, and the inner side of the locking clamp spring sets locking clamp spring block tongue 2-2, the locking clamp spring block tongue
The front end semicircular in shape of 2-2, the locking clamp spring block tongue 2-2 and locking clamp spring medial surface junction set arc-shaped concave, described
Locking clamp spring lateral surface, which is set, has been uniformly arranged in the circumferential direction multiple locking clamp spring notch 2-1, and locking clamp spring lateral surface both sides are set
Locking clamp spring key 2-3, the locking clamp spring key 2-3 include an angularly disposed elastic spring, the upper end of the elastic spring with
Locking clamp spring lateral surface connection, the lower end of the elastic spring stretch out, and the inside winding upwards of its bottom, forms a ring-type card
Key.
Further, described two locking clamp spring key 2-3 are located on a central axis of locking clamp spring, i.e., described two
Locking clamp spring key is distributed on the outer circumferential surface of locking clamp spring in 180 degree.
Further, the locking clamp spring lateral surface, which is set, has been uniformly arranged in the circumferential direction 6 locking clamp spring notch 2-1, institute
State the centre position that locking clamp spring key 2-3 is provided in its two adjacent locking clamp spring notch 2-1.
As shown in Figure 6,7, the stop nut 3 includes hex nut, and it is locking to be provided with one above the hex nut
Nut flange 3-2, is provided with a stop nut card slot 3-3, institute between the top of the hex nut and stop nut flange 3-2
It is along the circumferentially disposed arc-shaped recess face of stop nut lateral surface to state stop nut card slot 3-3.
The top of the stop nut 3 is provided with 2 stop nut card key 3-1,2 3-1 pairs of stop nut card keys
Title is arranged on the top surface of stop nut flange 3-2, its size is engaged with the size of locking clamp spring notch 2-1.
As shown in Figure 8,9, the end of check bolt 1 is axially disposed the locking spiral shell coordinated with locking clamp spring block tongue 2-2
The root of bolt groove 1-1, check bolt groove 1-1 are that the length of the check bolt groove 1-1 is generally whole check bolt 1
Length 30% ~ 50%, the depth of the check bolt groove 1-1 is not more than the 1/5 of check bolt nominal diameter.
The utility model methods ＆＆ steps of implementation is as follows：
1. connecting component 6 needed for pair is inserted into check bolt 1；
2. stop nut 3 is screwed in into check bolt 1；
It is 3. stop nut 3 is tightened and during close to design moment of torsion, locking clamp spring lock tongue 2-2 alignment check bolts is recessed
Groove 1-1 is inserted in check bolt 1 and is pushed at the top of stop nut card key 3-1；
4. slightly turn stop nut 3 stop nut card key 3-1 is aligned locking clamp spring notch 2-1 and presses locking clamp spring
2, locking clamp spring notch 2-1 are embedded in stop nut card key 3-1, while locking clamp spring key 2-3 insertion stop nut grooves 3-3.
Locking clamp spring lock tongue is caught in check bolt groove and is pushed at the top of stop nut card key, it is anti-by slightly turning
Its card key can be directed at a locking clamp spring notch step of going forward side by side and push locking clamp spring and locking clamp spring key is embedded in locking spiral shell by loose nut
Female groove, so can reach fixing nut and it is not rotated ensures connecting component continuous and effective, normal under vibrational state
The mesh of work.
When locking clamp spring notch is embedded in stop nut card key, while the locking card of locking clamp spring key insertion stop nut groove
Key uses circular hole pattern in order to dismantle.
Check bolt card key, locking clamp spring notch can adjust its number according to the pretightning force control accuracy requirement of connecting component
Amount, the connecting component for requiring control accuracy higher for pretightning force can suitably increase locking clamp spring notch quantity, otherwise can be appropriate
Reduce locking clamp spring notch quantity.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel, on the premise of the utility model principle is not departed from, can also make some improvements and modifications, these improvements and modifications
It should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of screw locking structure, it is characterised in that the screw locking structure includes：
Check bolt, the end of the check bolt is axially disposed check bolt groove, and the root of check bolt groove is
It is arc-shaped；
Stop nut, the stop nut top are equipped with card key, set locking clamp spring above stop nut, stop nut side is set
Put stop nut card slot；
Locking clamp spring, the locking clamp spring inner side set lock tongue, and the front end of the locking clamp spring block tongue is arc-shaped, and outside is set
Circumferentially arranged locking clamp spring notch, locking clamp spring both sides set locking clamp spring key；
The stop nut screws in check bolt, and the locking clamp spring is arranged above stop nut, locking clamp spring lock tongue insertion
In check bolt groove, locking clamp spring notch is embedded in stop nut card key, while locking clamp spring key insertion stop nut card slot.
2. screw locking structure as claimed in claim 1, it is characterised in that the locking clamp spring is a ring, described locking
Clamp spring key includes an angularly disposed elastic spring, and the upper end of the elastic spring is connected with locking clamp spring lateral surface, the bullet
Property reed lower end stretch out, the inside winding upwards of its bottom, formed a ring-type card key.
3. screw locking structure as claimed in claim 2, it is characterised in that described two locking clamp spring key mappings are in locking clamp spring
A central axis on, the locking clamp spring lateral surface sets and has been uniformly arranged in the circumferential direction 4 ~ 8 locking clamp spring notches, described
Locking clamp spring key is provided in the centre position of its two adjacent locking clamp spring notch.
4. screw locking structure as claimed in claim 1, it is characterised in that the stop nut includes hex nut, and described six
A stop nut flange is provided with above the nut of angle, one is provided between the top of the hex nut and stop nut flange
Stop nut card slot, the stop nut card slot are along the circumferentially disposed arc-shaped recess face of stop nut lateral surface.
5. screw locking structure as claimed in claim 1, it is characterised in that the length of the check bolt groove is generally whole
The 30% ~ 40% of the length of a check bolt, the depth of the check bolt groove are not more than the 1/5 of check bolt nominal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326600.6U CN207333427U (en) | 2017-03-30 | 2017-03-30 | A kind of screw locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326600.6U CN207333427U (en) | 2017-03-30 | 2017-03-30 | A kind of screw locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333427U true CN207333427U (en) | 2018-05-08 |
Family
ID=62375854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720326600.6U Active CN207333427U (en) | 2017-03-30 | 2017-03-30 | A kind of screw locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979212A (en) * | 2017-03-30 | 2017-07-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of screw locking structure and its anti-loose method |
| CN111536133A (en) * | 2020-04-30 | 2020-08-14 | 宝应县增厚铜业有限公司 | Special-shaped brass part |
-
2017
- 2017-03-30 CN CN201720326600.6U patent/CN207333427U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979212A (en) * | 2017-03-30 | 2017-07-25 | 上海市政工程设计研究总院（集团）有限公司 | A kind of screw locking structure and its anti-loose method |
| CN106979212B (en) * | 2017-03-30 | 2024-06-14 | 上海市政工程设计研究总院（集团）有限公司 | Bolt anti-loosening structure and anti-loosening method thereof |
| CN111536133A (en) * | 2020-04-30 | 2020-08-14 | 宝应县增厚铜业有限公司 | Special-shaped brass part |
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| GR01 | Patent grant |